Triconex 8312 230 VAC – 175-Watt Power Module

Product Description

The Invensys 8312, also cataloged as the 8312 230 VAC – 175-Watt Power Module, provides AC-to-DC power conversion for Triconex Main Chassis, Expansion Chassis, and Remote Expansion Module (RXM) chassis power distribution systems.

Hardware Specifications

Triconex Safety Power Distribution Characteristics

The Invensys 8312 power module supports Triconex safety system architectures by converting a 230 VAC supply into a regulated 6.5 VDC output for chassis-level power requirements. The module supports redundant power configurations, allowing multiple power sources to supply Triconex chassis assemblies.

The module incorporates electrical isolation between input and output circuits, with a specified isolation rating of 1000 VAC or 1500 VDC. Therefore, it separates field AC power sources from low-voltage system electronics to reduce electrical interference transfer.

For Triconex safety platforms, power modules operate within systems based on triple modular redundancy (TMR) 2oo3 architecture. The 8312 contributes to fail-safe state execution by maintaining stable DC power delivery to controller and I/O assemblies during normal operating conditions.

Frequently Asked Questions

Q: What input voltage range does the Invensys 8312 Power Module support?
A: The module accepts a nominal 230 VAC input voltage with an operating range of 185 to 285 VAC.

Q: What output voltage does the 8312 provide for Triconex chassis components?
A: The 8312 converts AC input power into a regulated 6.5 VDC output supply with a 175 W output rating.

Q: Does the 8312 support redundant power configurations?
A: Yes. The module supports redundant power arrangements used in Triconex Main Chassis, Expansion Chassis, and RXM chassis installations.

Field Installation Guidelines

• Install the 8312 module inside the designated Triconex chassis power module position according to the system hardware manual.
• Verify the 230 VAC input supply matches the specified voltage range before energizing the module.
• Maintain proper separation between AC input wiring and low-voltage DC distribution wiring to reduce electrical noise coupling.
• Connect protective earth grounding according to the chassis installation requirements.
• Inspect terminal connections for correct polarity, mechanical tightness, and secure cable routing before system startup.
• When installing redundant power modules, verify the chassis configuration supports the intended redundancy arrangement.
• Avoid operating the module outside the specified electrical input range to prevent abnormal power conversion behavior.

Other Attributes

• Country of Origin:  USA
• Lead Time: In Stock, 2 Working Days

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